package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.constant.PasswordConstant;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.EmployeeDTO;
import com.sky.dto.EmployeeLoginDTO;
import com.sky.dto.EmployeePageQueryDTO;
import com.sky.entity.Employee;
import com.sky.exception.AccountLockedException;
import com.sky.exception.AccountNotFoundException;
import com.sky.exception.PasswordErrorException;
import com.sky.mapper.EmployeeMapper;
import com.sky.result.PageResult;
import com.sky.service.EmployeeService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.GetMapping;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class EmployeeServiceImpl implements EmployeeService {

    @Autowired
    private EmployeeMapper employeeMapper;

    /**
     * 员工登录
     *
     * @param employeeLoginDTO
     * @return
     */
    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
        String username = employeeLoginDTO.getUsername();
        String password = employeeLoginDTO.getPassword();

        //1、根据用户名查询数据库中的数据
        Employee employee = employeeMapper.getByUsername(username);

        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
        if (employee == null) {
            //账号不存在
            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
        }

        //密码比对
        // TODO 后期需要进行md5加密，然后再进行比对
        if (!password.equals(employee.getPassword())) {
            //密码错误
            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
        }

        if (employee.getStatus() == StatusConstant.DISABLE) {
            //账号被锁定
            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
        }

        //3、返回实体对象
        return employee;
    }
public void save(EmployeeDTO employeeDTO)
{
    Employee employee=new Employee();
    //对象属性拷贝
    BeanUtils.copyProperties(employeeDTO,employee);
    //设置账号状况，默认正常状态1

employee.setStatus(StatusConstant.ENABLE);
//设置密码
employee.setPassword(DigestUtils.md5DigestAsHex(PasswordConstant.DEFAULT_PASSWORD.getBytes()));
//设置时间
//    employee.setCreateTime(LocalDateTime.now());
//    employee.setUpdateTime(LocalDateTime.now());
    //设置当前记录创建人id和修改人id
//    employee.setCreateUser(BaseContext.getCurrentId());
//    employee.setUpdateUser(BaseContext.getCurrentId());
    employeeMapper.insert(employee);
}
 public  PageResult pageQuery(EmployeePageQueryDTO employeePageQueryDTO)
{
    //开始分页查询
    PageHelper.startPage(employeePageQueryDTO.getPage(),employeePageQueryDTO.getPageSize());
     Page<Employee> page= employeeMapper.pageQuery(employeePageQueryDTO);
     long total=page.getTotal();
    List<Employee> records=page.getResult();
    return new PageResult(total,records);
}
public void startOrStop(int status, long id)
{
Employee employee=Employee.builder().status(status).id(id).build();
    employeeMapper.update(employee);
}
 public Employee getById(Long id)
{
    Employee employee=employeeMapper.getById(id);
employee.setPassword("****");
    return employee;
}
public void update(EmployeeDTO employeeDTO)
{

    Employee employee=new Employee();
    BeanUtils.copyProperties(employeeDTO,employee);
//    employee.setUpdateTime(LocalDateTime.now());
//    employee.setUpdateUser(BaseContext.getCurrentId());
    employeeMapper.update(employee);
}
}
